Error: “The licenses required by this edition of Citrix XenApp are not present on the license server”

Users are unable to access the applications, and the error “An error occurred while making the requested connection” is provided.

The event viewer displays the following error, which indicates a licensing issue:

Source: MetaFrame

EventID: 9014

Description: The licenses required by this edition of Citrix Presentation Server are not present on the license server LicenseServerName.

XenApp 6.5 introduces a new feature to server role called License Model, which is found in the XenApp Server Role Manager console under license configuration. You can choose from the following three types of models:

  • XenApp

  • XenDesktop concurrent system

  • XenDesktop user/device

Note: The setting to modify the License model is also possible by modifying the policies.

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Latency in ProxySG when in static bypass list

I need a solution

Hi,

We are using transparent deployment for our ProxySG using WCCP.

For the routes that are going to the MPLS we added it in the static bypass list.

For example the citrix application, user experience latency when accessing citrix.

And also some sites that are bypassed are slow.

Anyone of you who experienced the same scenario?

What are your recommendations?

0

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How to Configure Multiple License Types within a Single XenApp and XenDesktop Site

NOTE:

  • This feature does not allow you to use a mix of licenses for different Product Editions. For example, you can’t combine XenApp Platinum and XenApp Advanced licenses in the same site. You’d still need two sites for that.
  • Choice of Product Code and Edition combination can depend on the features you want to enable for your deployment’s sessions. There are some differences between XenApp and XenDesktop enabled features for the same Product Edition.
  • Changes to the Site licensing type could invalidate your custom licensing Delivery Group due to XenApp User/Device not being an accepted combination

Reference:

https://www.citrix.com/blogs/2017/07/07/introducing-multi-type-licensing-in-xenapp-xendesktop-7-14/

https://docs.citrix.com/en-us/xenapp-and-xendesktop/7-15-ltsr/manage-deployment/licensing/multi-type-licensing.html

https://www.citrix.com/products/citrix-virtual-apps-and-desktops/feature-matrix.html%20to

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User mode communication settings

I need a solution

Hi I have installed a new symantec server.Now i want to migrate the old users from old server to new one.For that i have export the the user mode communication settings from new server.If i import the user communication setting in client machine it is comming to computer mode in sepm.I am changing to user mode manually.How to do user mode directly?

0

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Server-rendered cursors: Performance analysis and optimization

In a Citrix Virtual Apps and Desktops environment, mouse cursors are presented to a user in one of two ways in an ICA session: client-rendered or server-rendered.

In most cases, mouse cursors are client-rendered. By default, the HDX graphics process will detect OS and application cursors on the VDA (server side), capture the cursor image and send to the Citrix Receiver or Workspace App for rendering locally on the client. A client-rendered cursor delivers the best performance and user experience as it behaves the same as with any local application running on the physical endpoint. This means there is no added latency to the mouse movement from the virtual session.

There are two special cases where client rendering of the cursor is not possible for a particular Citrix session and the mouse cursor is server-rendered as a result:

Custom cursors (non-Windows standard)

There are some applications that use proprietary cursor types and handle cursor rendering on their own. These applications do not use the standard Windows OS functions to set and render cursors on screen. In this scenario, the application cursor looks no different to the HDX graphics process than any other image on screen. Because of this, it is not possible to query the Windows OS and detect the cursor in use in order to redirect for client rendering.

AutoCAD from Autodesk is a common example of an application that uses custom cursors.

Lack of cursor compatibility with HDX Graphics and Citrix client in use

This is more of case with modern applications running in Citrix sessions configured with HDX Legacy Graphics mode and older Receiver clients. Not all cursors are created equal. Modern and more complex types such as 32-Bit color cursors may require use of new HDX graphics mode and recent/current versions of the Citrix client.

Performance Impact

Server-rendered cursors can be very costly for virtual desktops and applications. Every time the user moves the mouse, the client sends a message to the server, so the desktop or application can be redrawn and the resulting image (the new cursor position) is sent back to the client. This process may need to be executed hundreds or thousands of times to capture every change in cursor position, depending on the user movement of the mouse. This can generate high-bandwidth and, if the application is very complex (Ex. a complex CAD model where the application is recalculating the part), it can become a bottleneck. It can also result in a lot of redrawing of transient intermediate frames that are unnecessary, intermittent information that a user doesn’t need, like when scrolling or moving a window rapidly.

In this scenario, a user may perceive a slight delay when interacting with a server-rendered cursor because they are interacting with a graphical representation of the cursor that is being remoted across the network instead a local cursor rendered directly on the client hardware. The issue would be more apparent in low bandwidth and high latency network conditions. A user on a local area network may not perceive the issue compared to a user connecting over a WAN link, for example. The graphics mode and display configuration in use may also be a contributing factor. Using the H.264 video codec would perform a lot better than the lossless codec, just like a session on a 1080p display would be much better than on a 4K display.

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How to get User-License consumption report for Concurrent licenses

Using Citrix Director, we can get to know how many licenses are consumed at the moment.

1 session = 1 license, whether it is active or disconnected.

So, if you are using Citrix Director you can refer following article to get OData report that contains session report. This report shows all the session information that you can verify if that is same as what you get on licensing console.

Citrix Director – Analyzing the Monitoring Data by Means of Custom Reports

If it would have been user/device licenses then UDADMIN would have been a very good approach but that is not applicable to concurrent license.

UDADMIN displays all licensed users and devices and deletes specified licensed users and devices. This command applies to User/Device licenses only.

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